com.facebook.presto.orc.reader

Class SelectiveStreamReaders

java.lang.Object

com.facebook.presto.orc.reader.SelectiveStreamReaders

public final class SelectiveStreamReaders
extends Object

Method Summary

Modifier and Type	Method and Description
static SelectiveStreamReader	createNestedStreamReader(StreamDescriptor streamDescriptor, int level, Optional<HierarchicalFilter> parentFilter, Optional<Type> outputType, List<Subfield> requiredSubfields, org.joda.time.DateTimeZone hiveStorageTimeZone, boolean legacyMapSubscript, AggregatedMemoryContext systemMemoryContext)
static SelectiveStreamReader	createStreamReader(StreamDescriptor streamDescriptor, Map<Subfield,TupleDomainFilter> filters, Optional<Type> outputType, List<Subfield> requiredSubfields, org.joda.time.DateTimeZone hiveStorageTimeZone, boolean legacyMapSubscript, AggregatedMemoryContext systemMemoryContext)
static int[]	initializeOutputPositions(int[] outputPositions, int[] positions, int positionCount)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

createStreamReader

public static SelectiveStreamReader createStreamReader(StreamDescriptor streamDescriptor,
                                                       Map<Subfield,TupleDomainFilter> filters,
                                                       Optional<Type> outputType,
                                                       List<Subfield> requiredSubfields,
                                                       org.joda.time.DateTimeZone hiveStorageTimeZone,
                                                       boolean legacyMapSubscript,
                                                       AggregatedMemoryContext systemMemoryContext)

createNestedStreamReader

public static SelectiveStreamReader createNestedStreamReader(StreamDescriptor streamDescriptor,
                                                             int level,
                                                             Optional<HierarchicalFilter> parentFilter,
                                                             Optional<Type> outputType,
                                                             List<Subfield> requiredSubfields,
                                                             org.joda.time.DateTimeZone hiveStorageTimeZone,
                                                             boolean legacyMapSubscript,
                                                             AggregatedMemoryContext systemMemoryContext)

initializeOutputPositions

public static int[] initializeOutputPositions(int[] outputPositions,
                                              int[] positions,
                                              int positionCount)